RE: Hyper MACH 28 TEMP ?  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> RE: Hyper MACH 28 TEMP ?
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RE: Hyper MACH 28 TEMP ? - 11/4/2007 9:40:56 PM   
adz06



Posts: 721
Joined: 12/4/2005
From: dungannonnorthern ireland, UNITED KINGDOM
Status: offline 		i had a mach 28 the engine always poure dout the smoke and always seemed to wine a sif running lean and always bogged out and seemed to over heat got a temp gun was running far to hot turns out leaking backplate bearings and carb so i chucked it rubbish quality have spoekn to several people who have done the same.
i did have a hyper 21 8 port as weel it served me well until it blew up lol

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RE: Hyper MACH 28 TEMP ? - 11/5/2007 3:14:24 AM   
rologti


 

Posts: 71
Joined: 10/31/2007
From: Santiago, CHILE
Status: offline 		Great...thank's....

100% Of Topic...any coments or tips about the Hyper.21 8 port(all coments are well received...even the ones that say "it's rubbish" ??..Just bought an Hyper ARR with that engine..it should arrive in a week or 10 days

ADZ06...my enlgish it's a bit..basic..what did you do to the .28??...send it to trash???

< Message edited by rologti -- 11/5/2007 3:18:01 AM >

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RE: Hyper MACH 28 TEMP ? - 11/5/2007 5:09:36 PM   
adz06



Posts: 721
Joined: 12/4/2005
From: dungannonnorthern ireland, UNITED KINGDOM
Status: offline 		i had good experience with my hyper 21 8 port give me no problems but was a defect in the crank causing premature where but i used it as a race engine so was getting a lot of use started first time and had no problems tuning.

yeah the mach .28 engine causing me to much grief and problems flat out so i basically have it sitting in the corner as a paperweight as it is no good for anything really.

i had the hyper 21 8 port turbo (purple head) pullstart version i converted it to starter box with the booster back plate was great engine.

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RE: Hyper MACH 28 TEMP ? - 11/5/2007 5:25:04 PM   
rologti


 

Posts: 71
Joined: 10/31/2007
From: Santiago, CHILE
Status: offline 		For one side great...The Hyper 7 TQ PRO that i bought, brings (almost for free) that engine... (yes i know that is a bit old, but it was at a great price)

For the other side...i should start saving money to change the Hyper St engine.....but just for the record...maybe the engine is not good for racing, but for the use i give to him (or maybe insane abuse).....it works great

Thank's for the reply adz...

< Message edited by rologti -- 11/5/2007 5:27:19 PM >

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RE: Hyper MACH 28 TEMP ? - 11/5/2007 7:44:19 PM   
Foxy



Posts: 8982
Joined: 3/23/2005
From: Kingston UK, but living in Athens, GREECE
Status: offline 		Hyper ST engine? Why? The 8 port is a great engine, run it til it's dead then spend $300 on something really special. Why go from one RTR motor to another?

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RE: Hyper MACH 28 TEMP ? - 11/5/2007 8:10:55 PM   
rologti


 

Posts: 71
Joined: 10/31/2007
From: Santiago, CHILE
Status: offline
quote:

ORIGINAL: foxy42

Hyper ST engine? Why? The 8 port is a great engine, run it til it's dead then spend $300 on something really special. Why go from one RTR motor to another?


Sorry...write it wrong...for what i understand..the .21 8 port is a great engine, while the macstar .28 is not so good...the .21 8 port is in a Hyper 7 TQ Pro, and the .28 is in a Hyper ST, what i mean is that maybe the .28 will die soner than i thought....so i'll start saving mone for a nice .28 for the truggy, and keep the .21 8 port til it die...

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       Post #: 31

RE: Hyper MACH 28 TEMP ? - 12/26/2007 1:04:41 AM   
DJContact


 

Posts: 3
Joined: 12/25/2007
From: Sydney, AUSTRALIA
Status: offline 		Hi im new to the nirto area and just got a hyper7 mach28 and im running it in my dad has been fiddling with one of the screws dont know wat screws are witch yet its the one next to the air intake the one most promenently seen ive put about 4 tanks thru the car and its bogging down when i give it throttle then gets a sudden burst of power i dont have a temp guage so i dont know if its running hot and dont know wat im looking for when it comes to bieng lean or rich i want to get the most out of this motor (a new one is dam expencive) anyone have any help or should i take the car to where i bought it to get it tuned by a racer. anyone have tips for a beginner i want to start getting into the racing scene. im also using 25% nitro is it a good choice if not then wat should be the best fule for me to use(14$ a litre is quite a pocket burner with this engine )O yeah one more thing how should i clean the filter and what oil should be used?

(in reply to HYPERGOBLIN)
       Post #: 32

RE: Hyper MACH 28 TEMP ? - 12/26/2007 3:52:12 AM   
rologti


 

Posts: 71
Joined: 10/31/2007
From: Santiago, CHILE
Status: offline
quote:

ORIGINAL: DJContact

Hi im new to the nirto area and just got a hyper7 mach28 and im running it in my dad has been fiddling with one of the screws dont know wat screws are witch yet its the one next to the air intake the one most promenently seen ive put about 4 tanks thru the car and its bogging down when i give it throttle then gets a sudden burst of power i dont have a temp guage so i dont know if its running hot and dont know wat im looking for when it comes to bieng lean or rich i want to get the most out of this motor (a new one is dam expencive) anyone have any help or should i take the car to where i bought it to get it tuned by a racer. anyone have tips for a beginner i want to start getting into the racing scene. im also using 25% nitro is it a good choice if not then wat should be the best fule for me to use(14$ a litre is quite a pocket burner with this engine )O yeah one more thing how should i clean the filter and what oil should be used?


Hi, first, you could get a temp gauge (they should be arround US$15 bucks), if not, you can put a spit over the crank were the plug is, if it boils fast, it's too lean...but also you have to see how much smoke does the pipe throws...it should be some amount of smoke (you can see a few videos in youtube and see how much smoke they throw and how the engine sounds, yours should be running like it)...the needle that you should move is the HSN, and in the first 10 tanks don't make the engine runs so fast, and after a small full throtle leave it cool for a while (some people start the engine warm it for about a minute or 2 and then stop it and they leave it there until the temp goes down and start it again)...if you buy a temp gauge, you shuld run the engine at about 100 - 110 °C, and if you leave the engine without moving the throtle it should stay at about 100 or 105, if not, aopen a bit the HSN, after about 20 tanks you can slowly start leaning the HSN until 130...thats a temp that the engine should run a bit high but usually without any problem (I run it at about 140°C sometimes it reachs 160 or 170 for a few seconds, but i know maybe the engine would not last too long)...

-I use 30%, but i think 25% is good, you should use a plug that is cold or med (higher numer colder, I use number 9)

-Air filter....buy the oil in your LHS (local hobby shop), it's cheap, here in chile a small botlte is about US$3...for cleaning the air filter i use RON 93 (normal gasoline), and the alcohol (normal too, just to take the fuel or gas), then i put the oil (is better to put the amount of oil that you can feel the air filter brings at the beginning, a bit more if you want...

In summary...the best for the tunning of an engine is the smoke, sound and temp...not only one of them...be patience, it take a while to learn...but always, to be sure is better to run a bit rich that a bit lean...


Hope it helps...good luck and welcome to the hobby


P.S. I think that the needle you are talking about is the LSN (Low), if you are breaking in the engine don't touch it, start with the high speed needle...then once you have learn that, make a mark in the LSN and start making small changes, the mark is to know were was the factory setting if you make a mistake....you can also see some threads that talk abut braking in an engine and stuff like that, they are really useful

Sorry...i make a mistake...read the PS again

< Message edited by rologti -- 12/26/2007 3:59:25 AM >

(in reply to DJContact)
       Post #: 33

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